Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: chi2 on aggregate results
From
"Elizabeth Allred" <[email protected]>
To
<[email protected]>
Subject
Re: st: chi2 on aggregate results
Date
Mon, 10 May 2010 13:27:29 -0400
Exactly.
>>> On 5/10/2010 at 1:24 PM, in message
<[email protected]>, mai7777
<[email protected]> wrote:
> Thanks for the quick response. I guess it was the "col" option that I
> was looking for, but just to confirm: Below, is the Pearson chi2(1) =
> 5.9421 Pr = testing the hypothesis that the proportion of 76.67 in
> a sample size of 30 equal to the proportion of 47.22 in a sample size
> of 36?
>
>
> . tabi 23 17 \ 7 19, chi col
> | col
> row | 1 2 | Total
> -----------+----------------------+----------
> 1 | 23 17 | 40
> | 76.67 47.22 | 60.61
> -----------+----------------------+----------
> 2 | 7 19 | 26
> | 23.33 52.78 | 39.39
> -----------+----------------------+----------
> Total | 30 36 | 66
> | 100.00 100.00 | 100.00
>
> Pearson chi2(1) = 5.9421 Pr = 0.015
>
>
> On Mon, May 10, 2010 at 1:15 PM, Alan Neustadtl
> <[email protected]> wrote:
>> Are you looking for something like this?
>>
>> - tabi 23 17 \ 7 19, chi col -
>>
>>
>>
>> On Mon, May 10, 2010 at 1:08 PM, mai7777 <[email protected]> wrote:
>>> hi,
>>> I'm trying to conduct a chi2 on aggregate results to test that the
>>> proportions of incidence across two treatments are the same:
>>>
>>> Treatment 1 has a total of 30 subjects, 23 of which had incidence
>>> Treatment 2 has a total of 36 subjects, 17 of which had incidence.
>>>
>>> How do I do that?
>>> Thanks!
>>> *
>>> * For searches and help try:
>>> * http://www.stata.com/help.cgi?search
>>> * http://www.stata.com/support/statalist/faq
>>> * http://www.ats.ucla.edu/stat/stata/
>>>
>>
>> *
>> * For searches and help try:
>> * http://www.stata.com/help.cgi?search
>> * http://www.stata.com/support/statalist/faq
>> * http://www.ats.ucla.edu/stat/stata/
>>
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/